GM Service Manual Online
For 1990-2009 cars only

    Object Number: 1566570  Size: SH
  1. Disconnect the cruise control release switch electrical connector (1).

  2. Object Number: 1566571  Size: SH
  3. Rotate the cruise release switch counterclockwise, allowing the retainer to release.
  4. Pull the brake pedal rearward to full stop.
  5. While holding the brake pedal in position rearward, push the switch inward fully until the switch body contacts the brake pedal arm.
  6. At this point the plunger in the switch should be pushed in.

  7. Rotate the switch clockwise until a "click" is heard.

  8. Object Number: 1566570  Size: SH
  9. Connect the cruise control release switch electrical connector (1).
  10. The switch is properly adjusted when there is 7 mm (0.28 in) clearance between the end of the barrel and the striker plate.